Have a look at gated or zebra. They are both in the ports tree afaik.
Zebra has some good info at www.zebra.org .
Andrew.
--
Andrew Shugg <andrew_(_at_)_neep_(_dot_)_com_(_dot_)_au> http://www.neep.com.au/
"Just remember Basil, there's always someone worse off than yourself."
"Oh, really? I'd like to meet him ... I could do with a good laugh."
[ Sybil and Basil Fawlty, "Fawlty Towers" ]